[CH2-][n+]1cccc(/C(O)=C/C(=O)OC)c1    mol31209    0_1
COC(=O)/C=C(\[O-])c1ccc[n+](C)c1    mol31209    0_2
COC(=O)/C=C(\O)c1ccc[n+](C)c1    mol31209    1_1